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2024 KTM 50 SX

2024 KTM 50 SX

The 2024 KTM 50 SX is the ultimate first motocross bike for young riders ready to race. Built with KTM’s READY TO RACE mindset, it features an advanced adjustable frame, high-end WP suspension, and youth-specific ergonomics. Lightweight, fully adjustable, and professional-spec in every way, it’s built to grow with the rider and deliver serious fun on the track.
$5,999.00 NZD
$6,929.00 NZD $5,999.00 NZD
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With a 49.9 cc (approx) liquid-cooled 2-stroke engine, the 50 SX delivers punchy power in a controlled package for up-and-coming riders. The engine is compact, centrally mounted and designed for quick throttle response with the simplicity of an automatic centrifugal clutch.

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The bike uses a newly designed chrome-molybdenum steel frame and high-quality suspension: a 35 mm WP XACT AER front fork and matching WP XACT monoshock rear. The subframe, bodywork, handlebar height and seat height are height-adjustable (634 mm to 683 mm) so it can adapt as the young rider grows.

With disc brakes front and rear, and a hydraulic Formula brake system, the 50 SX brings real motocross bike quality to the 50 cc class. Its styling, ergonomics and quality components reflect KTM’s full-size cross-bikes making it both serious and fun.

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KTM 50 SX (2024) — Specifications
Specification Detail
Engine
Type Single-cylinder, 2-stroke
Displacement 49.9 cc
Starter Kick-starter
Clutch / Transmission Automatic centrifugal clutch, single-speed
Chassis & Brakes
Frame Chromium-molybdenum steel frame
Front Suspension WP XACT AER 35 mm USD fork
Rear Suspension WP XACT monoshock
Brakes Hydraulic Formula brake system, disc front & rear
Dimensions & Adjustability
Seat Height (adjustable) 634 mm to 683 mm
Ground Clearance 233 mm
Weight (Dry) Approx. 42.8 kg
Wheels & Tyres
Front Wheel / Tyre 12″ wheel, 2.50 × 12 tyre
Rear Wheel / Tyre 10″ wheel, 2.75 × 10 tyre
Additional Features
Height-Adjustable Subframe & Bodywork Yes – fits growing riders